On Thu, 2009-02-26 at 22:24 +1100, Anton Blanchard wrote:
> Hi David,
>
> > Hmmm... my bad, I think you need to keep the CONFIG_NUMA
> > there too as there is a TLB usage penalty for non-NUMA
> > systems if you only use CONFIG_64BIT there.
>
> Sorry that was my screwup, here's a fixed version.
From: Anton Blanchard
Date: Thu, 26 Feb 2009 22:24:32 +1100
> On PowerPC we allocate large boot time hashes on node 0. This leads to
> an imbalance in the free memory, for example on a 64GB box (4 x 16GB
> nodes):
>
> Free memory:
> Node 0: 97.03%
> Node 1: 98.54%
> Node 2: 98.42%
> Node 3: 98.5